High severity · published Sep 14, 2026
CVE-2026-82777
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS PAC Series
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS PAC Series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CT
Configurable type CPS-PCS341[][]-DS1-1201 · Contec Co., Ltd.
before 3.0.0 · source: vendor
IT
Integrated Type CPS-PC341[][]-*-9201 · Contec Co., Ltd.
before 3.0.0 · source: vendor
Affected product
CT
Configurable type CPS-PCS341[][]-DS1-1201
Contec Co., Ltd.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82777
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82777
jvn.jp
https://jvn.jp/en/vu/JVNVU96551518/
www.contec.com
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
More from Configurable type CPS-PCS341[][]-DS1-1201
6.1
CVE-2026-82776
Cross-site scripting vulnerability exists in CONPROSYS PAC Series
4.3
CVE-2026-82778
An exposure of information through directory listing issue exists in CONPROSYS PAC Series